A fantasy starring Princess Emily, who wields a massive iron ball and armored power. Court intrigue, the thrill of battle, and the girl's loneliness combine in a fast-moving light novel.

The battle of a princess wielding an iron ball breaks through the kingdom's intrigue.

A light novel centered on a magical affairs section and a teacher-like figure, portraying wayward days with comic energy. It mixes school, investigation, and magic through lively dialogue and incidents.

In wayward days, the magical affairs section's commotion begins to roll forward.

A fast-paced action-oriented light novel combining guns and school life. In a school space turned extraordinary, weapons, friendship, and trouble accelerate together.

When the extraordinary presence of guns enters the everyday space of school, the story immediately gains speed.